When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
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If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
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The great wall of China is 1,400 miles long!
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Ancient Romans at one time used human urine as an ingredient in their toothpaste.
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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